GHS Forensics 4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| A fingerprint is classified as this type of characteristic | Individual
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| Fingerprints have these types of general patterns that allow them to be systematically identified. | ridges
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| Percentage of people have loops? | 60%
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| Percentage of people who have arches? | 5%
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| Percentage of people who have whorls? | 35%
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| These are the simplest type of fingerprints that are formed by ridges that enter on one side of the print and exit on the other. No deltas are present. | Arches
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| The study of fingerprint identification is called? | Dactyloscopy
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| # of Arch type fingerprints categories | 2
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| # of Loop type fingerprint categories | 2
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| # of Whorl type fingerprints categories | 4
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| These types of fingerprints have at least one ridge that makes (or tends to make) a complete circuit. They also have at least two deltas. | Whorls
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| If prints have more than two deltas or unusual patterns they are called? | Accidentals
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| These types of prints are made up of any two loops combined into one print. | Double Loops Whorls
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| These are impressions left by friction ridge skin from any part of the body on a surface, such as a tool handle, glass, door, etc. | latent
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| The method of collecting prints by revealing them with a black powder and then lifted with a piece of clear tape is called | Dusting
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| The cyanoacrylate fuming method is a procedure that is used to develop latent fingerprints on a variety of objects. This common method uses this household item | Superglue
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| This chemical bonds with the amino acids in fingerprints and will produce a blue or purple color. | Ninhydrin
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| The study of the uniqueness of friction ridge structures and their use for personal identification | Ridgeology
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| Points where the ridge structure change | minutiae
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| When these are found on two different prints to match, these are called points of similarity or points of identification. | minutiae
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| This is a computerized system capable of reading, classifying, matching, and storing fingerprints for criminal justice agencies. | AFIS
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| When using superglue to detect a print the fumes attach to these in the fingerprint | Amino Acids
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| Type of fingerprint made by ridge impressions left on soft material such as putty or wax. | plastic
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| Type of fingerprint made by impressions caused by the transfer of body perspiration or oils present on the finger or other part of body to the surface of an object. | latent
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| Type of fingerprint made after coming in contact with colored material such as blood, paint, grease or ink. | visible
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| Method which allows particles to stick to fingerprints to show their pattern. | dusting
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| This method can be used on a porous or non-porous surface like paper or cardboard. | Iodine fuming
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| The science behind fuming fingerprints | Iodine crystals will adhere to the print
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| Process which reacts with salt to show a blackish brown compounded fingerprint | UV Light
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